sentence Tom could have passed the exam, but he wasn't careful enough. /Tom-could-have-passed-the-exam+-but-he-wasn~t-careful-enough.= 1

Tom could have passed the exam, but he wasn't careful enough. 英语句型语法分析长句已解锁

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可尝试扩展句子。越复杂的句子，分析结果越丰富。

[[0, 7], [7, 8], [8, 13]]
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分句 1 + but + 分句 2

这是一个陈述句。

but 详解

作连词
表示转折

意为但是, 然而, 可是，所连接的成分意思相反或相对，使其前后的词、短语、分句相互对照。

  • Our school is small but beautiful. 我们学校虽然小但很漂亮。
  • The car is very old but it runs very fast. 虽然小汽车旧了，但跑得很快。
  • It was a sunny but not very warm day. 那一天天气晴朗，却不太暖和。
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  • She is young but very experienced. 她虽然年轻但经验丰富。
  • He drives not carefully but slowly. 他开车不是很小心，而是开得很慢。
注意! 在英语中，除复合连词外，一个句子只能使用一个连词。

所以，与中文习惯相反，表示转折的but不能与表示让步的though、although同时使用。

他们虽是孪生，但是相貌却完全不同。
误: Although they are twins, but they look entirely different.
正: They are twins, but they look entirely different.
正: Although they are twins, they look entirely different.
表示委婉的拒绝

通常用于含有歉意的话语之后，可以认为是情绪与意愿之间的转折，以委婉地表达谢绝或不赞成。

  • I'm sorry, but I disagree with you. 对不起，我不同意你的意见。
表示递进

在否定谓语之后使用but，与否定词联合翻译为没有...不..., 每次...无不..., 只要...必然...。

  • It never rains but it pours. 不雨则已，一雨倾盆。
  • I never go past that house but I think of my miserable life in the old society. 我走过那所房子时，没有一次不想起我在旧社会所过的悲惨生活。
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but、except 及 besides 有何区别

介词but、except、besides都可表示除...之外。

besides表示一种累加关系，意指除了什么之外, 还有...，侧重于另外还有...。

except或but则表示一种排除关系，意指除了什么之外, 不再有...，侧重于除了...之外。

  • Besides his wife, his daughter also went to see him. 除他妻子外，他女儿也去看过他(即妻子女儿都去看过他)。
  • Nobody went to see him [except/but] his wife. 除他妻子外，没有一个人看过他(即只有他妻子去看过他)。
注意! 在否定句中，besides也表示除...之外不再有... ，与but、except同义
  • No one passed the exam [besides/except] Jim. 除吉姆外，没一个人通过考试。
but 与 except 的区别

两者都可表示除...外不再有...。

侧重不同

but侧重表达“几乎完整”。

except侧重强调“后面除去的部分”。

  • I love all fruits but orange. 我喜欢所有水果但不包括桔子。
  • I love all fruits except orange. 除了桔子我喜欢所有水果。

but、however、while 有何区别

but、however、while都可表示但是, 可是, 然而。

but
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  • The plan didn't work, but I'll give you an A for effort for trying.
  • The senator doesn't look too popular just now, but the acid test will be if he gets reelected.
  • Hiking is fun and exciting, but you shouldn't forget safety.
  • He made a mistake, but then he corrected the situation before it got worse.
  • He's mighty handsome, but I hear he's all show and no go.
  • I cheated on the entrance exam, but I really want to get into that school, and all's fair in love and war.
  • Bill keeps saying he'll get a job soon, but he's all talk and no action.
  • People have been playing the music for many years, but the music has kept many of its characteristics.
  • I know I laugh at him but, joking aside, he's a very clever scientist.
  • His own remarks argue against his qualifications for the office, but he probably will be elected anyway.

含 but 的其它常用短语：

分句 1 but 分句 2祈使成份 but 分句 1
分句 1 but 分句 2（祈使句）but 补足成份
but adj.分句 1 but then 分句 2...不过...
but 表语(介词)be. but 表语(介词)
but 表语(副词性介词)be. but 表语(副词性介词)
but 表语(形容词)be. but 表语(形容词)
but 表语(-ed 过去分词)be. but 表语(-ed 过去分词)
but 表语(-ing 现在分词)be. but 表语(-ing 现在分词)
but 表语(名词性副词)be. but 表语(名词性副词)
be. but ...but also 表语(-ing 现在分词)

[[1, 2], [2, 3], [3, 7]]
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mod. + have + done.

这是一个短语。
v. (将来完成时)

mod. have done. 详解

mod. have done.表示将来完成时(The Future Perfect Tense)，其中mod.可以为would、should、can/could、must、may/might等。

如果mod.在句中的时态为过去时，那么时态全称为过去将来完成时(The Past Future Perfect Tense)。

注意! would、could、shoud既可以表示过去时，又可以表示现在时（如虚拟语气），需要依据具体句子甚至章节上下文才可以做出判断。

短语中的成分done.表示动词的过去分词形式，通常由向动词词根添加尾缀-ed或-d组成，如：walked、cleaned、typed、jumped、laughed。

当然，在英语中也存在着非常多的不规则过去分词形式，如：done、said、gone、known、won、thought、felt、eaten。

根据mod.的不同，短语使用上有较大的区别，具体如下：

would have done.
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  • It seemed strange that the man who had developed communism should have lived and died in London.
  • I would have liked to give you a valuable present for your birthday, but I was short of money.
  • I put myself in Tom's shoes and realized that I would have made exactly the same choice.
  • After I fell, I must have blacked out.
  • I was so happy, I could have danced on air.
  • I was so surprised that you could have knocked me over with a feather.
  • The baby must have kicked her covers off of herself in the night.
  • If you were on the ball, this wouldn't have happened.
  • He will have learned English for eight years by the time he graduates from the university next year
  • If Jane hadn't carried the torch, no one would have followed, and the whole thing would have failed.
[[3, 4], [4, 7]] [[3, 4], [5, 6]]
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pass + the + exam

这是一个动词固定搭配。
v. 通过考试, 考试及格
pass sth.
vt. 经过, 越过, 通过, 批准, 度过, 传递, 忽略
exam
n. 考试
  • They never required us to pass an exam
  • Tom could have passed the exam , but he wasn't careful enough.
  • He can't seem to get it through his thick skull that he has to study to pass the exam .
  • The professor reading the names of students who have passed the exam .
  • Preparation won the day and James passed his exams .
  • we passed an exam
  • She passed the new Jersey Bar Exam and can practice law now
  • Once you've passed that exam , it will be clear sailing to graduation.
  • When she heard that she had not passed the exam , she lost it completely
  • They required us to pass an exam

含 pass 的其它常用短语：

pass sth.经过pass the buck推卸责任
pass a law(立法机关)通过法令pass the time消磨时间
pass the examination通过考试pass judgment明断
pass muster通过检验pass the test通过测试
pass water小便pass sth. on sb.
pass the hospitalpass sth. around通过...周围
pass gas放屁pass judgment on sth.作判决
pass sth. around to sb.pass sth. back to sb.
pass sth. backpass sth. down留传
pass sth. forwardpass sth. in to sb.
pass the hat around to sb.把帽子传给某人pass the hat around要不我去募捐
pass the hat募捐pass the time of day(与某人)打招呼
pass the ball传球pass inspection通过检查
pass the requirements符合规格pass one's lips被某人吃掉、灌醉
pass on sth. to sth.传递...给...pass sth. on to sth.将...传给...
pass sth. sth.给...(1)传递...(2)pass sth. to sth.给...(1)传递...(2)
pass down sth. to sb.pass the hat to sb.
pass out分发pass along sth.沿...向前走
pass sth. along沿...向前走pass sth. along to sb.
pass off sth.逐渐消失pass sth. off逐渐消失
pass sth. off as sth.通过...pass sth. off on sb. as sth.
pass sth. off on sb.pass on sth.传递...
pass sth. on传递...pass on a message to sb.
pass out sth.分发pass sth. out分发
pass sth. out to sb.pass over sth.越过

v. 通过考试, 考试及格
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be. + adj. + enough

这是一个形容词作表语。

enough 的用法

做形容词

表示足够的, 足够量的，通常与for连用。

  • They had enough cash for a one-way ticket. 他们有足够的现金买一张单程票。
  • Her disappearance and death would give proof enough of Charles' guilt. 她的失踪和死亡将提供足够的证据证明查尔斯有罪。
做副词

表示足够地, 足够量地; 相当地。

  • I was old enough to work and earn money. 我到了可以工作、挣钱的年龄了。
  • I'm serious, things are difficult enough as they are. 我是认真的，事情照现在这样已经够困难的了。
  • Winters is a common enough surname. 温特斯是一个相当普通的姓。
做名词

表示足够的人或事。

  • Although the police say efforts are being made, they are not doing enough. 尽管警方说他们正在努力，但是他们做得还不够。
做代词

表示够了，既可代表可数名词，也可代表不可数名词。

  • I met him only once, and that was enough. 我只见过他一次，那就够了。
习语

strangely enough真奇怪

interestingly enough真有趣

  • Strangely enough, the last thing he thought of was his beloved Tanya. 真奇怪，他最后想到的是他心爱的坦尼娅。

have had enough受够了

  • I had had enough of other people for one night. 一个晚上我就受够其他人了。
暂无例子

adj.  当前为 careful

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careful

这是一个形容词短语。
adj. 小心的, 谨慎的

be careful with、be careful of 有何区别

be careful of表示对...当心, 留意。

be careful with表示对...小心、仔细。

  • Be careful of the dog. 当心这只狗.
  • Be careful with the flowers. 小心别弄坏这些花.
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careful、cautious 及 wary 的区别

careful、cautious、wary等词的意思都包含小心的; 谨慎的。

注意! 当前仅对比在该相似语意下的区别
careful
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careful、cautious、attentive 及 prudent 有何区别

careful、cautious、attentive、prudent这些形容词均含有小心的, 谨慎的之意。

careful侧重做事谨慎、留心，特别注意一些细节地方。

cautious着重考虑事情的后果，谨慎留意，防止出差错。

attentive指认真地注意地倾听别人的意见，留心别人的需要等。

prudent指遇事审慎，思考计划周密，不贸然行事。

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含 careful 的其它常用短语：

be. careful of sth.注意careful sth.小心的...
be. careful wh-/how + 不定式, wh-/how + 不定式作宾语成份be. careful whether + 不定式, whether + 不定式作宾语成份
be. careful about sth.注意be. careful with sth.对...小心
be. careful to do. (sth.)be. careful for sb. to do. (sth.)

adj. 小心的, 谨慎的
收录于：645 句高考难点、重点、核心句子句型语法解析
翻译：汤姆本可以通过考试，但他不够细心。
Tom could have passed the exam, but he wasn't careful enough.

这是一个并列句，其使用并列连词 but 连接前后两个分句，使得两个分句之间存在转折关系。

分句 1

Tom could have passed the exam,

这是一个陈述句，其时态可以是过去完成时、过去将来完成时、现在完成时、将来完成时。

成份划分
new!
Tom主语 could have passed谓语动词(复合结构) the exam,宾语

分句 2

he wasn't careful enough.

这是一个陈述句，其时态为一般过去时。

它与分句 1 之间存在转折关系。

成份划分
new!
he主语 wasn'tbe 动词 careful enough.表语(形容词)

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